UC864
UC864
UC864
UC864----E/G/WD/WDU
E/G/WD/WDU
E/G/WD/WDU
E/G/WD/WDU AT Commands Reference Guide
AT Commands Reference Guide
AT Commands Reference Guide
AT Commands Reference Guide
80304ST10041a Rev. 6
80304ST10041a Rev. 6
80304ST10041a Rev. 6
80304ST10041a Rev. 6 ---- 2010
2010
2010
2010----0
00
05
55
5----20
20
20
20
Reproduction forbidden without Telit Communications S.p.A’s. written authorization - All Rights Reserved.
Page 64 of 329
P
P
P
P ---- Pulse Dial
Pulse Dial
Pulse Dial
Pulse Dial
ATP
ATP
ATP
ATP
Set command has no effect is included only for backward compatibility
with landline modems.
Reference
V25ter.
3.5.3.3.4.
Answer
Answer
Answer
Answer ---- A
A
A
A
A
A
A
A ---- Answer
Answer
Answer
Answer
ATA
ATA
ATA
ATA
Execution command is used to answer to an incoming call if automatic
answer is disabled.
Note: This command MUST be the last in the command line and must be
followed immediately by a <CR>
<CR>
<CR>
<CR> character.
Reference
V25ter.
3.5.3.3.5.
Disconnect
Disconnect
Disconnect
Disconnect ---- H
H
H
H
H
H
H
H ---- Disconnect
Disconnect
Disconnect
Disconnect
ATH
ATH
ATH
ATH
Execution command is used to close the current conversation (voice, data or
fax).
Note: this command can be issued only in command mode; when a data
conversation is active the device is in on-line mode (commands are not
sensed and characters are sent to the other party), hence escape sequence
(see register
register
register
register S2
S2
S2
S2) is required before issuing this command, otherwise if &D1
&D1
&D1
&D1
option is active, DTR
DTR
DTR
DTR pin has to be tied Low
Low
Low
Low to return in command mode.
Reference
V25ter.
3.5.3.3.6.
Return To On Line Mode
Return To On Line Mode
Return To On Line Mode
Return To On Line Mode ---- O
O
O
O
O
O
O
O ---- Return To On Line Mode
Return To On Line Mode
Return To On Line Mode
Return To On Line Mode
ATO
ATO
ATO
ATO
Execution command is used to return to on-line mode from command
mode. If there's no active connection it returns NO CARRIER
NO CARRIER
NO CARRIER
NO CARRIER.
Note: After issuing this command, if the device is in conversation, to send
other commands to the device you must return to command mode by
issuing the escape sequence (see register
register
register
register S2
S2
S2
S2) or tying low DTR
DTR
DTR
DTR pin if &D1
&D1
&D1
&D1
option is active.
Reference
V25ter.